Abstract
Sutureless bioprostheses such as the Sorin Perceval Valve (SPV; Sorin Group, Srl, Saluggia, Italy) have been proposed for replacing stenotic native valves within small aortic roots of geriatric patients with significant comorbidity. Their use seems as safe as that of stented bioprostheses and enables significantly reduced length of surgery. Low transprosthetic pressure gradients have been measured. Because of the radial force of its self-expandable nitinol stent, aortic annulus interruption could be a relative contraindication to SPV use. Off-label implantation of the SPV into a surgically enlarged ascending aorta was first reported in this study, as a bailout option in the presence of a tiny aortic root.
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